One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,7,4,6)(9,10,13,16)(11,14,15,12)(17,18,22,21)(19,24,23,20)(1,3)(2,6)(4,5)(7,8)(9,11,13,15)(10,12,16,14)(17,19)(18,20)(21,24)(22,23)(26,29)(30,32)(3,4)(6,7)(9,11)(10,14)(12,16)(13,15)(17,20,22,24)(18,23,21,19)(25,26)(27,30)(28,29)(31,32)(1,2)(3,7)(4,6)(5,8)(9,11)(10,14)(12,16)(13,15)(17,19)(18,20)(21,24)(22,23)(25,27,28,31)(26,30,29,32)(1,4,5,3)(2,7,8,6)(9,12,13,14)(10,15,16,11)(17,21,22,18)(19,20,23,24)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.